Home / 2,131,280.55-3,191,672.02-1,008,037.35

Finding the Fourth Proportional to 2,131,280.55, 3,191,672.02 and 1,008,037.35

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Solution

The fourth proportional to 2,131,280.55, 3,191,672.02 and 1,008,037.35 is: 1,509,573.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,280.55 : 3,191,672.02 = 1,008,037.35 : x
  2. Step 2: Convert to fraction form
    2,131,280.55/3,191,672.02 = 1,008,037.35/x
  3. Step 3: Cross multiply
    2,131,280.55x = 3,191,672.02 × 1,008,037.35
  4. Step 4: Simplify right side
    2,131,280.55x = 3,217,324,605,109.95
  5. Step 5: Solve for x
    x = 3,217,324,605,109.95/2,131,280.55
  6. Step 6: Final answer
    x = 1,509,573.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.